B. Bashir manages Networking Tutorials and regularly writes articles on various topics such as Computer Networking, IP Address NetworkWireless Networking, Computer Hardware, Certifications, How Tos, Network Glossary Overviewand Computer tips.
Computer networking or data communication is a most important part of the information technology. Today every business in the world needs a computer network for smooth operations, flexibly, instant communication and data access. Just imagine if there is no network communication in the university campuses, hospitals, multinational organizations and educational institutes then how difficult are to communicate with each other. In this article you will learn the basic overview of a computer network. The targeted audience of this article is the people who want to know about the network communication system, network standards and types.
A computer network is comprised of connectivity devices and components. To share data and resources between two or more computers is known as networking. There are different types of a computer network such as LAN, MAN, WAN and wireless network. The key devices involved that make the infrastructure of a computer network are Hub, Switch, Router, Modem, Access point, LAN card and network cables.
LAN stands for local area network and a network in a room, in a building or a network over small distance is known as a LAN. MAN stands for Metropolitan area network and it covers the networking between two offices within the city. WAN stands for wide area network and it cover the networking between two or more computers between two cities, two countries or two continents.
There are different topologies of a computer network. A topology defines the physical layout or a design of a network. These topologies are star topology, bus topology, mesh topology, star bus topology etc. In a star topology each computer in a network is directly connected with a centralized device known as hub or switch. If any computer gets problematic in star topology then it does not affect the other computers in a network.
There are different standards and devices in computer network. The most commonly used standard for a local area network is Ethernet. Key devices in a computer network are hub, switch, router, modem and access point etc. A router is used to connect two logically and physical different networks. All the communication on the internet is based on the router. Hub/Switch is used to connect the computers in local area network.
Hopefully, in this article you may have learnt that what a computer network is, how important it is in our lives, what are different network devices, standards, topologies and communication types.
- Related Videos
- Related Articles
- Ask / Related Q&A
Get Fast and Easy Computer Repair
By: Cleo Duke | 28/11/2009All round the world today PCs have proved to be a part of our daily existance. It is being used in every sphere of our lives today and thus there was a big increase in its use. As a consequence of this there has been a rise in the Problems and questions and referring to the output of the PC and its working. This led on to the emergence of a large market opportunity in the domain of computer repairs. As you can see today that be it home or work or any other field of our d...
Twitter Tips for Webmasters
By: Nestor Hayden | 28/11/2009Some marketers forget why they're on Twitter and blast followers with an unending series of repetitive tweets about how great their business opportunity is. Don't act like them; Twitter is especiallya social network so word travels fast if you arejust another guy with something to offer. Furthermore, if you have the kind of online existence that people are curious about, then word will travel fast that you're worth following. Here is a lessenedlist of great Twitter tips ...
Advanced System Optimizer Review - How to Choose a Best Optimizer For Windows!
By: Joey Chow | 28/11/2009there are so many Advanced system optimizers on the market. How to choose the best optimizer for Windows? Well, you should consider lots of factors before you pay for it. And here are some important factors:
Advanced Registry Optimizer Review - How to Choose the Best Registry Optimizer For Windows!
By: Joey Chow | 28/11/2009There are so many advanced optimizers on the market. But how to choose the best registry optimizer for Windows is still a annoying problem for users. You should consider lots of factors before you pay for one. And here are 4 important factors should be considered:
9 measures to secure your new notebook system - keep it running fast and smooth!
By: MooreDemi | 28/11/2009Nine secure notebook solutions mean to help you to against your new PC from all threats – protect your notebook and keep it running fast and smooth.
Is Windows 7 Worth Upgrading To?
By: Alex Martin | 27/11/2009Many of our customers have been asking: is Windows 7 worth upgrading to? Our answer: Most definitely. Learn more in the information given in this article.
Anonymous Web Surfing - Bypass Internet Restrictions from School or Work
By: Jhon Phill | 27/11/2009In this world of spywares and antivirus you are never safe when you open your doors for surfing. Even though you have the latest antivirus program, there is no guarantee that the system information from your computer is not transferred to the net.
Expert Wordpress Blogging Made EasyAutomated Blog InstallerFree Automated Blog Installer
By: Nestor Hayden | 27/11/2009Expert WordPress is a new blogging system that bloggers to save time and get more done whenever they build a new blog. The system is actually a full on blogging suite with your own WPtheme, video tutorials, plugins, and guidelines, all packed into one. Expert WordPress systemwas created for the WordPress community to go against the limitations and issues they generally face when they would like to build a blog. The Expert WordPress program takes you by the hand and explains in deta...
Windows Security Tips
By: Bushra Bashir | 13/08/2007 | CommunicationLearn how to secure your Windows based operating system by applying the security methods such as keeping your operating system up-to-dated, installing firewall, installing and configuring up-to-dated antivirus software applying security templates and security policies.
Internet Access Types
By: Bushra Bashir | 06/08/2007 | NetworksIn this article you will learn that what are the major internet access types such as DSL, ADSL, cable net, dial up, GPRS, WiMAX, FTTH and satellite internet communication methods.
Computer Network Overview
By: Bushra Bashir | 04/08/2007 | Information TechnologyIn this article you will earn that what is a computer network, what are network topologies, standards, network devices and the common types of a computer network.
Outlook Express Troubleshooting
By: Bushra Bashir | 03/08/2007 | Information TechnologyLearn how to troubleshoot the common errors in the outlook express like corrupted .dbx files, slow performance, infected email attachments and mails sending and receiving problems.
How to Remove Spyware
By: Bushra Bashir | 02/08/2007 | SecurityIn this article you will learn that how to remove spyware, adware, malware, viruses, Trojan horses and malicious codes from your computer.
Internet Tips
By: Bushra Bashir | 19/07/2007 | Internet: In this article you will learn how to be secure on internet, how to use Google search operators, how to enable/disable cookies, how to speed up the loading of your html pages and how to find out the location of the website etc.
How to Secure your Computer
By: Bushra Bashir | 18/07/2007 | Computers: In this article you will learn how to secure your computer against the viruses, spyware, malware, internet security threats, accidental files deletion, and hackers’ attacks. These simple tips provides best safeguard against the computer security threats.